Lydersen, Christian, and Kit M Kovacs. “Walrus <i>Odobenus rosmarus</i> research in Svalbard, Norway, 2000-2010”. NAMMCO Scientific Publications 9 (December 15, 2014): 175–190. Accessed January 26, 2025. https://septentrio.uit.no/index.php/NAMMCOSP/article/view/2613.